The Mercedes-Benz S-Class Coupe Concept is presented during the media days of the Frankfurt Auto Show in Germany. The concept will show up in a production form in the future. The redesigned S-Class flagship sedan is just going on sale now. JOHANNES EISELE AFP/Getty Images

The Mercedes-Benz S-Class Coupe Concept that was unveiled during the media days of the Frankfurt Auto Show in Germany. Daimler AG - Global Communicatio

The Mercedes-Benz S-Class Coupe Concept on display in the automaker's huge multi-level exhibit space at the Frankfurt Auto Show in Germany. JOHANNES EISELE AFP/Getty Images

The Mercedes-Benz S-Class Coupe Concept that was unveiled during the media days of the Frankfurt Auto Show in Germany. Daimler AG - Global Communicatio

The show car interior of the Mercedes-Benz S-Class Coupe Concept that was unveiled during the media days of the Frankfurt Auto Show in Germany. Daimler AG - Global Communicatio

The Mercedes-Benz S-Class Coupe Concept was introduced with amultimedia show featuring disembodied heads on giant screens (that's the car back their in the middle) at the Frankfurt Auto Show in Germany. Thomas Lohnes Getty Images

The Mercedes-Benz S-Class Coupe Concept that was unveiled during the media days of the Frankfurt Auto Show in Germany. Daimler AG - Global Communicatio

Dieter Zetsche, chairman of the board of Mercedes-Benz parent Daimler presents the new Mercedes Concept S-Class Coupe to the media at the Frankfurt Auto Show. Thomas Lohnes Getty Images